Properties

Label 3072.91
Modulus $3072$
Conductor $1024$
Order $256$
Real no
Primitive no
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3072, base_ring=CyclotomicField(256))
 
M = H._module
 
chi = DirichletCharacter(H, M([128,185,0]))
 
pari: [g,chi] = znchar(Mod(91,3072))
 

Basic properties

Modulus: \(3072\)
Conductor: \(1024\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(256\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{1024}(91,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 3072.bj

\(\chi_{3072}(19,\cdot)\) \(\chi_{3072}(43,\cdot)\) \(\chi_{3072}(67,\cdot)\) \(\chi_{3072}(91,\cdot)\) \(\chi_{3072}(115,\cdot)\) \(\chi_{3072}(139,\cdot)\) \(\chi_{3072}(163,\cdot)\) \(\chi_{3072}(187,\cdot)\) \(\chi_{3072}(211,\cdot)\) \(\chi_{3072}(235,\cdot)\) \(\chi_{3072}(259,\cdot)\) \(\chi_{3072}(283,\cdot)\) \(\chi_{3072}(307,\cdot)\) \(\chi_{3072}(331,\cdot)\) \(\chi_{3072}(355,\cdot)\) \(\chi_{3072}(379,\cdot)\) \(\chi_{3072}(403,\cdot)\) \(\chi_{3072}(427,\cdot)\) \(\chi_{3072}(451,\cdot)\) \(\chi_{3072}(475,\cdot)\) \(\chi_{3072}(499,\cdot)\) \(\chi_{3072}(523,\cdot)\) \(\chi_{3072}(547,\cdot)\) \(\chi_{3072}(571,\cdot)\) \(\chi_{3072}(595,\cdot)\) \(\chi_{3072}(619,\cdot)\) \(\chi_{3072}(643,\cdot)\) \(\chi_{3072}(667,\cdot)\) \(\chi_{3072}(691,\cdot)\) \(\chi_{3072}(715,\cdot)\) ...

sage: chi.galois_orbit()
 
order = charorder(g,chi)
 
[ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
 

Related number fields

Field of values: $\Q(\zeta_{256})$
Fixed field: Number field defined by a degree 256 polynomial (not computed)

Values on generators

\((2047,2053,1025)\) → \((-1,e\left(\frac{185}{256}\right),1)\)

First values

\(a\) \(-1\)\(1\)\(5\)\(7\)\(11\)\(13\)\(17\)\(19\)\(23\)\(25\)\(29\)\(31\)
\( \chi_{ 3072 }(91, a) \) \(-1\)\(1\)\(e\left(\frac{185}{256}\right)\)\(e\left(\frac{61}{128}\right)\)\(e\left(\frac{109}{256}\right)\)\(e\left(\frac{183}{256}\right)\)\(e\left(\frac{47}{64}\right)\)\(e\left(\frac{159}{256}\right)\)\(e\left(\frac{15}{128}\right)\)\(e\left(\frac{57}{128}\right)\)\(e\left(\frac{227}{256}\right)\)\(e\left(\frac{25}{32}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 3072 }(91,a) \;\) at \(\;a = \) e.g. 2